What is the Plains Leopard Frog's call?

"Chu-hu-huck, chu-hu-huck, chu-hu-huck" or "Hi-hi-hip, hi-hi, hip, hi-hi-hip" is the call of the Plains Leopard Frog (Rana blairi, Lithobates blairi).

Specifically, the voice of the Plains Leopard Frog is a rapidly repeated series of 2-4 chucks. The chucks rise slightly but steadily in pitch. The call may be heard during any warm weather month, but most particularly in early spring after the first warm rains.
"Chu-hu-huck, chu-hu-huck, chu-hu-huck" or "Hi-hi-hip, hi-hi, hip, hi-hi-hip" is the call of the Plains Leopard Frog (Rana blairi, Lithobates blairi).

Specifically, the voice of the Plains Leopard Frog is a rapidly repeated series of 2-4 chucks. The chucks rise slightly but steadily in pitch. The call may be heard during any warm weather month, but most particularly in early spring after the first warm rains.